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Investments in Privately-held Companies (Tables) | 12 Months Ended
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Dec. 31, 2014
Investments in Privately-held Companies [Abstract] |
Investments | Our investments are summarized below (in thousands):
| Investment Balance as of |  |
Company | December 31, 2014 | December 31, 2013 | Accounting Method | Ownership Percentage
Beijing JiYa Semiconductor Material Co., Ltd | $ | 3,331 |  | $ | 3,331 |  | Consolidated | 46%
Nanjing Jin Mei Gallium Co., Ltd |  | 592 |  |  | 592 |  | Consolidated | 83%
Beijing BoYu Semiconductor Vessel Craftwork Technology Co., Ltd |  | 1,346 |  |  | 1,346 |  | Consolidated | 70%
| $ | 5,269 |  | $ | 5,269 |
Donghai County Dongfang High Purity Electronic Materials Co., Ltd. | $ | 1,723 |  | $ | 1,900 |  | Equity | 46%
Xilingol Tongli Germanium Co. Ltd |  | 5,351 |  |  | 4,692 |  | Equity | 25%
Emeishan Jia Mei High Purity Metals Co., Ltd |  | 1,021 |  |  | 945 |  | Equity | 25%
| $ | 8,095 |  | $ | 7,537 |  |  |
Summarized income information | All the minority investment entities that accounted for under the equity method had the following summarized operating information (in thousands) for the years ended December 31, 2014, 2013 and 2012, respectively.
| Years Ended December 31, | Our share for the Years Ended December 31,
| 2014 | 2013 | 2012 | 2014 | 2013 | 2012
Net Revenue | $ | 47,824 |  | $ | 41,257 |  | $ | 32,858 |  | $ | 11,887 |  | $ | 10,240 |  | $ | 8,091 |
Gross profit |  | 21,436 |  |  | 13,836 |  |  | 11,057 |  |  | 5,340 |  |  | 3,328 |  |  | 2,643 |
Operating income |  | 9,046 |  |  | 8,174 |  |  | 6,310 |  |  | 2,059 |  |  | 1,820 |  |  | 1,409 |
Net income |  | 6,765 |  |  | 6,315 |  |  | 5,665 |  |  | 1,528 |  |  | 1,377 |  |  | 1,281 |
Summarized balance sheet information | All the minority investment entities that accounted for under the equity method had the following summarized balance sheet information (in thousands) as of December 31, 2014 and 2013, respectively.
| As of December 31,
| 2014 | 2013
Current assets | $ | 31,482 |  | $ | 22,139 |
Noncurrent assets |  | 39,275 |  |  | 38,941 |
Current liabilities |  | 19,923 |  |  | 15,289 |
Noncurrent liabilities |  | 169 |  |  | 2,296 |

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